package day04;
import java.util.Scanner;
public class SwitchDemo {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请选择功能:1.存款 2.取款 3.查询余额 4.退卡");
        int n = sc.nextInt();
        switch (n) {
            case 1:
                System.out.println("存款");
                break;
            case 2:
                System.out.println("取款");
                break;
            case 3:
                System.out.println("查询余额");
                break;
            case 4:
                System.out.println("退卡");
                break;
            default:
                System.out.println("输入错误请重新输入");
        }
    }

}
